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1983年10月2日至5日,我们参观和考察了欧洲联合核子研究中心(简称 CERN)的真空社(Group)。该社的负责人 C.Benvenuti 教授接待了我们。CERN 位于法国和瑞士的交界处,距日内瓦大约十余公里。风景秀丽,气候宜人。真空社大约有百余名工作人员,分了十余个课题研究组。研究课题大多来自建造加速器中遇到的真空技术问题,因此,研究目的很明确,密切为建造各种类型的粒子加速器服务。由于他们真空技术开发工作做得出色,建造出来的粒子加速器也是第一流水平的。在建造质子—质子对撞机型加速器时,为了在交叉区实现10~(-12)托的真空度,他们研制
From 2 to 5 October 1983, we visited and studied the Vacuum Group of CERN. Professor C. Benvenuti, head of the agency, received us. CERN is located at the junction of France and Switzerland, about ten kilometers from Geneva. Beautiful scenery, the climate is pleasant. Vacuum Society about a hundred staff, divided into more than a dozen research group. Most of the research topics come from the vacuum technology encountered in the construction of accelerators. Therefore, the research objective is very clear and close to the construction of various types of particle accelerators. Due to their excellent vacuum technology development efforts, the built-in particle accelerators are also state-of-the-art. In the proton-proton collider accelerator, in order to achieve 10 ~ (-12) torches in the cross-section of the vacuum, they developed